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Posts by braillediver

When was the Last time you Biased or Check the Tubes in your HEV90? Do you even know what tubes are in your HEV90? The singularly easiest and most dramatic change in sound will be upgrading the ECC83's. Then the ECL86's.   If you don't know you're robbing yourself. Rediscover your gear and upgrade the tubes. I'm confident the tubes will sell themselves- you just have to hear them.   Here's a Matched Quad of Valvo ECL86's from 1960. 3 are labeled Amperex Bugle Boy and...
I found these leather rings I made for use with the Sennheiser HD414 Pads. I made them back in the Dark Ages when Grado Flat Pads sold for more than their weight in gold.   They are 3 inches across. The leather is smooth on one side and plush on the other. I used a silicone glue (RTV- like silicone bath tube glue) to glue the leather pads to the Yellow HD414 pads.   These firmed up the ear pads, made them more comfortable and sort of focused the sound.     $9.95...
Thanks- also for the secret decoder ring.   Is there a Technical or Service Manual? Information like- how to get the tube covers off and how to bias the amp?   Thanks Mitch
I'm looking for the Orpheus / HEV 90 Instruction Manual- Anyone have a copy they can spare?     Thank You   Mitch
Sold   I have 2 Sennheiser HEV 70's I picked up in 2008 along with a Sennheiser European Power Supply and an Original Manual.    1) HEV 70 SN101730- I bought from a Head-Fi'er named Anders from Europe in 2008. It was sold as working. I never got the headphones or the power supply so I never had a chance to use it. Excellent condition.   2) HEV 70 SN100516- I bought from a Head-Fi'er named Purk in 2008 and he thought it had a problem but wasn't sure so I'm selling...
  Siemens E83CC Triple Mica $199   The tubes Test as NOS on a TV-7 D/U. They were screened for noise and microphonics on a Headamp Aristaeus.   43/44 43/43    They have the proper Acid Etched Codes. 1 is clearly visible the other is partially obscured: E ∅ 1 =/= 0 K   The E83CC's codes are aligned differently than the normal Siemens tubes.   $199 Delivered Continental USA.     Thanks Mitch
Vintage 6' Black Sand Cable Violet Z1 Power Cord with Oyaida P-46, C-46 AC Connectors.   Like New Condition. I got it via an Audiogon Auction Direct from Black Sand Cable. It came with Oyaida P-46 and C-46 Palladium Power Connectors and has Black Web Sleeving. It was gently used on 1 amp for 2 years and loosely coiled in storage.    P-046 Male C-046 Female Palladium over gold over deoxidized phosphor bronze.     $old Delivered Paid via Normal PayPal. Shipped USPS...
When was the Last time you Biased or Check the Tubes in your HEV90? Do you even know what tubes are in your HEV90? The singularly easiest and most dramatic change in sound will be upgrading the ECC83's. Then the ECL86's.   If you don't know you're robbing yourself. Rediscover your gear and upgrade the tubes. I'm confident the tubes will sell themselves- you just have to hear them.   Here's a Matched Quad of Valvo ECL86's from 1960. 3 are labeled Amperex Bugle Boy and...
Amazing how things have changed. I had my HP2's drivers replaced by Joe in maybe 2006 and he did it over the weekend. I got Flat Pads when they didn't exist.   Sad how it's turned out.     Mitch
FS: Matched and Screened Pair of Amperex ECC83 / 12AX7A   I65 <0F2 45/47 2nd week of June 1970 (?) Tube Type / Tooling / < is Amperex / 0 last digit of the Year / Month / Week I65 <0F2 47/44 Ditto   These Test NOS on my TV-7D/U and were screened for noise and microphonecs on my Aristaeus with the HE90's.     $199 Shipped Insured Paid via PayPal Normal. Satisfaction Guaranteed to the best of my ability.   Thanks Mitch        
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