1668-4LN Mic Pre Preamps 4 channels API 2520 Optional Discrete Opamp Transformer Balanced In and Out Start Price USD 1,250.00 Current Price USD 1,250.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Wednesday, November 19, 2008 End Time Wednesday, December 03, 2008 Location Florida See more about '1668-4LN Mic Pre Preamps 4 channels API 2520 Optional ' Description   Racked QUAD ADM 1668  Mic Pres   DISCRETE OPAMPS       Plug and Play ADM-1668-4LN Mic preamps  Racked and refurbished ready to use.   Totally discrete Mic preamp with 60 db of Gain. The opamp on these cards sound as good as a 2520 API opamp. API 2520 opamps can be made to  fit on these  boards .   click on photo to enlarge. You are bidding on a 4 channels of ADM 1668 all discrete microphone preamplifiers .   The  1668 Mic pre amp card has been recapped and modified for mic pre use.   VPA custom relay boards are used on the input XLR to switch a 15db pad in and out and Phantom power. No running low level signals  from the back of the module to the front. Absolutely the shortest signal path possible.   VPA custom relay boards on the output XLR to switch Polarity (phase) Gain adjustable from 15db to 60db ( with the use of the gain control and the Pad)   This ADM-1668-4LN has our new front panel switch boards for better reliability, quicker assembly and lower cost.   VPA XLR female and male Relay boards are available in my store for your DIY projects.     The four  ADM 1668   Mic pre cards are racked side by side in a 2 space box with an external power transformer that is included in the purchase. The power supply is in the ADM-1668-4LN chassis and for lower noise and heat the AC transformer is external. Overseas buyers we now have 220V AC with the external transformer.   A internal tordial power transformer is available on special order. Please email cqdx4u@comcast.net for this option.    This ADM 1668-4LN  by VPA is racked and ready for studio use. Please Click here for side one of the 1668 Data Sheet   Please click on the links above  to see data sheets on the Mic pres . The specs on the mic pres are amazing.  ...A Bi-polar +/- 20V  power supply is included and built into the enclosure . The power supply  has 48v phantom for the Mic Preamps. click on photo to enlarge. click on photo to enlarge. click on photo to enlarge. click on photo to enlarge.    The ADM-1668-4LN is our low noise all discrete 4 channel microphone preamplifier that has that great API sound at half the price.   These 1668 cards have been restored  and sound great.              I will ship overseas ,  Bank Wire Transfers , Payment by  Certified Bank Check in US Funds sent by Express Mail Service (EMS)         View my store below or click on the icon above. Click Here For Other Auctions   Buyer will pay ALL shipping costs, including insurance, packing and shipping materials. I personally do not ship, all sales FOB Umatilla FL. I will arrange shipping for you through a shipping service. The shipping service will charge a minimum $5 handling fee in addition to actual shipping costs. If you have questions I will try to answer them. FOR SHIPPING AND PAYMENT OPTIONS CONTACT ME AT CQDX4U AT COMCAST DOT NET Please read the terms and conditions below. Please contact me BEFORE bidding if you have any questions. I will accept Paypal    Paypal customers: shipping takes place after the funds are credited to my account, NOT upon notification from them. This may add a few days before I ship. By bidding on this auction you agree to Ebay's user agreement and the terms stated below.I require receipt of shipping info within 3 days of the auction ending, and a US Postal Money Order  to be received within 10 days after the close of the auction. On the 10th day I request a refund from Ebay for the auction they issue a payment reminder, this is to start the Auction Refund process. If Ebay issues a refund for the auction for non payment I will post negative feedback. I ship within 5 working days after receipt of funds. Unexpected personal checks will be returned and your bid cancelled. Please send email with questions before bidding. The Final bid is binding. If You are the High Bidder, you agree to send the funds as stated. No Warranty is expressed or implied, Sold "as-is" and all Sales Final, unless otherwise stated in the discription above.Shipping is non refundable . Items authorized for return must be returned in the same packing and in the same condition as send . All items 15% restocking fee.  Thank You for bidding and good luck...Please check our other Ebay auctions Place a Bid!