Siemens C3m is a special quality long life 10,000 hour pentode originally designed in the twentieth century for telephone repeater applications. Now in the twenty-first century it is used for valve audio amplifiers and is favoured as a driver stage for 300B SE triodes. The four valves in this auction are pristine New Old Stock in perfect condition.

Successful bidder please email c20store@retrovox.com.au within 24 hours of completion of auction.

PAYMENT: Retrovox ebay purchases can be paid by Visa or Mastercard, BidPay or direct deposit (wire transfer). No PayPal payments. Australian buyers: add 10% GST. Direct deposit preferred for Australia buyers.

DELIVERY & PACKING:This item will by Australia Post Airmail. Worldwide delivery takes about seven days. Packed weight is 500 grams. Click on your region to see exact delivery cost in local currency: Asia, North America, Europe/UK. All orders are carefully packed to withstand any foreseeable shipping trauma. Retrovox has shipped thousands of tubes and parts worldwide with a perfect 'no-break' delivery record for over eight years.