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Bubo

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  1. $200 Class A the first few watts Half watt is screaming on the high efficiency speakers 2 watts is unbearably loud If you like the sound, recap the amp and love it. Hard to beat at any price for 100 watts in sound quality Yamaha MX-600 or 630 Stereo Power Amplifier (1987-89) Specifications Power output: 135 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.003% Damping factor: 70 Input sensitivity: 1.14V Signal to noise ratio: 123dB Speaker load impedance: 4Ω to 16Ω Dimensions: 435 x 170 x 425mm Weight: 13kg Year: 1988 https://www.hifiengine.com/manual_library/yamaha/mx-600.shtml Pre Amp Emotiva USP $250-350 https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=emotiva+usp&_sacat=32852&LH_TitleDesc=0&_sop=12&_sadis=15&_osacat=32852&_odkw=emotiva&LH_Complete=1&LH_Sold=1&_stpos=60563 XSP-1 Differential Reference Preamp for MC & MM cartridges, $1,249.00 Gen2 new, $800 Gen1 used Audio Specifications Balanced Input to Balanced Output: S/N (signal-to-noise ratio, A-weighted, ref +6 dBV): > 117 dB. Frequency response: 20 Hz to 20 kHz +/- 0.02 dB. THD + N (harmonic distortion plus noise, @ 1 kHz): < 0.0004%. IMD (intermodulation distortion, SMPTE method, 60 Hz/7 kHz): < 0.001%. Crosstalk (measured at +6 dBF, 10 kHz): < 100 dB. Unbalanced Input to Unbalanced Output: S/N (signal-to-noise ratio, A-weighted, ref +6 dBV): > 113 dB. Frequency response: 20 Hz to 20 kHz +/- 0.015 dB. THD + N (harmonic distortion plus noise, @ 1 kHz): < 0.0006%. IMD (intermodulation distortion, SMPTE method, 60 Hz/7 kHz): < 0.001%. Crosstalk (measured at +6 dBF, 10 kHz): < 102 dB. Balanced Input to Unbalanced Output: S/N (signal-to-noise ratio, A-weighted, ref +6 dBV): > 114 dB. Frequency response: 20 Hz to 20 kHz +/- 0.015 dB. THD + N (harmonic distortion plus noise, @ 1 kHz): < 0.0005%. IMD (intermodulation distortion, SMPTE method, 60 Hz/7 kHz): < 0.0015%. Crosstalk (measured at +6 dBF, 10 kHz): < 105 dB. Unbalanced Input to Balanced Output: S/N (signal-to-noise ratio, A-weighted, ref +6 dBV): > 115 dB. Frequency response: 20 Hz to 20 kHz +/- 0.017 dB. THD + N (harmonic distortion plus noise, @ 1 kHz): < 0.0003%. IMD (intermodulation distortion, SMPTE method, 60 Hz/7 kHz): < 0.007%. Crosstalk (measured at +6 dBF, 10 kHz): < 100 dB. Phono (Moving Coil; phono in to balanced out): Gain (1 kHz, Volume at 0): approximately 60 dB. Input impedance (user selectable): 47 ohms, 100 ohms, 470 ohms, 1k ohm. S/N (signal-to-noise ratio, A-weighted, ref 1.0 mV in): > 79 dB. Frequency response (ref standard RIAA curve): 20 Hz to 20 kHz +/- 0.35 dB. THD (total harmonic distortion, ref 1.0 mV): < 0.008%. IMD (intermodulation distortion, SMPTE method: < 0.15 %. Crosstalk: < 65 dB. Phono (Moving Magnet; phono in to balanced out): Gain (1 kHz, Volume at 0): approximately 40 dB. Input impedance: 47k Ohms. S/N (signal-to-noise ratio, A-weighted, ref 10.0 mV in, A-weighted): > 96 dB. Frequency response (ref standard RIAA curve): 20 Hz to 20 kHz +/- 0.3 .dB. THD (total harmonic distortion, ref 10 mV): < 0.001%. IMD (intermodulation distortion, SMPTE method: < 0.05%. Crosstalk: < 80 dB. My hand starts shaking when I roll over the order button every time..... https://emotiva.com/products/xsp-1
  2. Lots of portable solutions that probably sound great the question is how to get high bit rate content into them. I rip everything lossless onto my PC then copy onto a Network Hard Disk connected to my router Any device with router access can play any content this way. I use a 10 year old lap top for accessing the content and Media Monkey file system as the viewer and player The laptop is connected to my DAC, then into my stereo. If you copy the above..... You can get a 14in HP Ram disk pc at costco today for $280, last day they had some in my local store, still waiting for my lap top to die.... then use any DAC with a good headphone amp to drive your headphones. https://www.costco.com/hp-14"-laptop---10th-gen-intel-core-i3---1080p.product.100511171.html If you want to be in the same room with the wife and kids I would snag a THX rated used Pioneer Elite Receiver for $200 or less I would have to check the block diagram, but I believe when the headphones are plugged in the speaker circuit is diverted to the headphone In this way you get a THX AB Amp with DAC for $200 That you can also throw a pair of speakers on that sounds great. VSX 09TX rosewood sides are missing, offer 100 https://www.ebay.com/itm/Pioneer-VSX-09TX/163770642319?hash=item26217daf8f:g:XQ0AAOSwxOFdJLB9:sc:UPSGround!60563!US!-1 https://www.pioneerelectronics.com/PUSA/Home/AV-Receivers/Elite+Receivers/VSX-09TX If wife is making noise, recommend closed back cans I prefer sling vs clamps which give me a headache Clamps everyone loves the 50s Audio Technica 700s has some good over the ears for approx $100 Looks like the 700s are history, so it's the 900s $200 ATH-A990z Art Monitor® Closed-Back Dynamic Headphones Driver Diameter 53 mm Frequency Response 5 – 42,000 Hz Maximum Input Power 2,000 mW Sensitivity 100 dB/mW Impedance 44 ohms Weight 335 g https://www.audio-technica.com/cgi-bin/product_search/headphones/headphones_cat.pl?select_multiple_3=Over-Ear&lang=eng Grado has a great 15ft speaker cable for $46, I have one https://www.4ourears.net/Grado_headphone_extension_cable_p/4e-excab.htm
  3. My family has had some duals for 40 years, very good products, the one I am using sounds and works great, did require a tune up at a shop to clean the internal mechanicals and lube the parts, alignment etc.... I would take it to a shop that is familiar with Duals and let us know what the cartridge is before making any decision to replace it. Duals are lots of models, belt and direct, manual, semi and full auto Model number and pics ??
  4. I often wonder how audible the time alignment is, the weak spot of the LaScalas on paper. I should probably test the resistance on my k-77 tweeters to see if they are in spec.
  5. This and yes contact the mfg.....
  6. Are all of the units plugged into the same power strip or surge protector ? Is the tuner on top of another piece of gear ? How close is the antennae to anything else ? Get some long RCA cables and try moving the tuner around with the ears on it. Try moving the power cord around, the wires wear and break and cause hum and other noise, better to try it on cheapo speakers at low volume, pick up a pair at goodwill or craigslist if you don't have some. Try running the tuner into a different system on a table top with your cheapo test speakers and see what happens. If you still have humm the problem is the tuner.
  7. Second look at Denon, yamaha, pioneer elite etc. 10% Thd seems a bit high to me. 1% AMPLIFIER FEATURES 160 W/Ch (6 Ω, 1 kHz, 1% THD, 1 Channel Driven, IEC); 175 W/Ch (6 Ω, 1 kHz, 10% THD, 1 Channel Driven, JEITA) https://www.eu.onkyo.com/en/products/tx-nr656-129914.html
  8. You might want to look at active crossovers and then run the outputs to as many amplifiers as you need. Stereo to 3 way crossovers is common. I don't know if you can make one of these work.... https://www.monoprice.com/product?p_id=37887
  9. Why not just get a pair of the black pro Heresy looking speakers that have the slant backs and two drivers, they use in theaters ? If you have to mount the Heresy, I would double the bottom with a piece of plywood and run nuts and bolts through the plate and the bottom of the heresy with some large washers on the inside.
  10. Usually run between $1200 and 2500 depending....... I have seen clean ones for 1200
  11. Look for used LaScala 1s, can be had for as little as $1200 excellent, 1980s Used K-horns $2500 excellent 1980-1990 A pair Forte 2s, the best sleeper that I have heard for $500 used excellent Forte 3s may be better, but I haven't heard them. $5000 Pair of used Heresy's 1 or 2 for $300-600 New Heresy 3s for $2000
  12. Making a boat into an airplane is always a tough one. Fortes, re-veneer to something you like, maybe something exotic as keepers. You already recapped the crossovers, if the surrounds are good, good to go There may be a direct replacement tweeter that is better. Bring the mids up to ear level always a good idea. EV Driver might work for a bi-amp two-way active-crossover with EQ...... CornScala EV specs an EQ module on the cut sheet, 500-17Khz achievable 15in Crites woofer Picking the right horns may take a few tries Crites may be able to recommend which one he sells that would most likely sound good and deliver 500-17khz Depending on your wood shop, you might want to make a practice box with cheaper plywood and experiment with different horn configs, changing out the motor boards this would also allow you do do things like run a 2x4 cross brace nailed or screwed from the outside etc Once you have your horn and motor board, you could throw down for the mdf or birch etc stiffener with lots of cut outs, lightening holes etc If you don't already have amps, look at picking up 2x Yamaha MX-600s and recapping them. New class Ds, a lot of people like the totl Crowns https://www.electrovoice.com/binary/DH1A DH1A-16 EDS.pdf Example build and parts list cornscala ballpark total cost, shipping, taxes, odds and ends but excluding rosewood veneer about $1,500 for the pair Crites made some custom cross overs for him AKs he also purchased may be customs Great photos, but you have to go to the site..... http://www3.telus.net/public/rtg/CornScala
  13. Access to your music library, Pandora, Spotify, SiriusXM internet radio, Tidal and Deezer Wi-Fi, wireless direct, Bluetooth, airplay, and musiccast multiform Audio Yamaha R-N303BL Stereo Receiver with Wi-Fi, Bluetooth & Phono 3.8 out of 5 stars 143 ratings | 275 answered questions Amazon's Choice for "yamaha musiccast" Price: $269.95 & FREE Shipping. Details https://www.amazon.com/Yamaha-R-N303BL-Stereo-Receiver-Bluetooth/dp/B074F246M9/ref=pd_cp_23_1/142-5808005-2108404?_encoding=UTF8&pd_rd_i=B074F246M9&pd_rd_r=c767a54a-14d1-4553-80b9-d05dcd05d961&pd_rd_w=nwjfC&pd_rd_wg=xZyc7&pf_rd_p=0e5324e1-c848-4872-bbd5-5be6baedf80e&pf_rd_r=YJ6QMAJE7JSHEQDDDSEV&psc=1&refRID=YJ6QMAJE7JSHEQDDDSEV
  14. Damping may be an issue same for slew rate Do you have a budget and any space requirements ?
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