Leto Ultra II 《力圖超凡2號》 高電平真空管前級
評測報告:
嶄新6段式臨場感調校,締造全新聆聽感覺
製作特色:
- 全面改良的真空管放大線路,擁有更遼闊頻率響應及動態處理能耐
- 選用 12AU7 及 12DW7 雙三極真空管作為重點放大零件
- 每組輸入將會提供3段不同增益設定,進一步加強器材匹配能力,並可在聆聽時進行切換
- 合共提供6組 RCA 及 3組經由全平衡輸入變壓器作為耦合媒體的 XLR 高電平輸入
- 輸出環節分別提供4組 RCA 及2組配備輸出變壓器及獨立接地開關的 XLR 端子
- 嶄新6段式臨場感調校 Presence Control,方便用家於聆聽時按照個人喜好,修正中頻與高頻領域的諧波平衡度
- 全新遙控裝置,提供輸入切換,輸出音量,啞音,立體聲 / 單聲道切換及臨場感調校
- 音頻放大線路選用1﹪低誤差金屬皮無電感電阻及發燒級聚丙烯薄膜電容器
- 全新改良的低噪音 ESP 供電系統,配備大容量環型變壓器
- 100% 全人手美國製造,管子和器材在出廠前預先經過50小時訊號輸入測試,質量有所保證
技術規格 :
輸入:6 x RCA,3 x XLR
輸入電壓:最高 7V RMS
輸入阻抗:100 kΩ (RCA),10 kΩ (XLR)
輸出:4 x RCA,2 x XLR
輸出阻抗:150 Ω (RCA,XLR)
輸出電壓:最高 13V RMS
臨場感調校 Presence Control:6段式,
0 = 平直
-1 = 13kHz 及以上
-2 = 8kHz 及以上
-3 = 4kHz 及以上
-4 = 2kHz 及以上
-5 = 1kHz 及以上
增益:3 dB,6 dB,9 db
頻率響應:10 Hz – 40 kHz
訊噪比:100dB
失真率:0.013% (1V RMS 輸入)
所用管子:JJ 製作 鍍金腳 ECC82 / 12AU7 x 2,JJ 製作 12DW7 x 2
體積(H x W x D): 5 x 17 x 12 吋
重量:28磅
退款政策
EXCHANGE
Every product that you order from Radar Audio Company online shop is taking full care by us. You may return any items in its original condition for an exchange due to below reasons:
- The goods received are not the ones that you ordered;
- If it is discovered that the product is severely damaged or has operation problems after opening or when it remained unopened.
- Customer must contact our Customer Service Department within seven working days of receipt of the goods for replacement.
- The goods must be accompanied with our official invoice, original package, product barcode, accessories, manuals and warranty card without filled.
- All exchanged products will be inspected by our service center before replacement. Otherwise, we will not be able to identify and process the replacement procedure.
- The returned product must be intact, not involving human damage, not being repaired, free from scratches and water damage.
NOT APPLICABLE FOR EXCHANGE
- Invalid product code and serial number of the product and warranty card.
- Product not sold on Radar Audio online shop.
- Failure to follow instructions supplied with the product.
- Any damages or defects caused by, including but not limited to external pressure, impact damage, dropped, misuse, humidity, water damage, other consequences of easy access, or missing parts.
- Any damages or defects that occur in/on outer surface of the product that result from normal wear and tear under ordinary use.
- Any damages or defects caused by human errors or unexpected factors including but not limited to handling, extrusion, bumps, scratches, impacts, exposure to high temperature, improper input voltage, corrosion, water, fire, accidents etc.
- Any damages or defects caused by any accident, act of natural, physical damage or malfunction, abuse, misuse, natural or personal disaster, or any unauthorized disassembly, repair or alteration and modification.
REFUND
- In case of out of stock, refund will take 3-7 working days to process.
- Prices are subject to change without prior notice and all orders are subject to Company’s acceptance at its sole discretion and stock availability.
- If any dispute arises, Radar Audio Company determination shall be final.
- Where these terms and conditions are available in Chinese, the English version is the governing version and shall prevail whenever there is a discrepancy between the two versions.
QUESTIONS
- Email service@radaraudio.com
- Phone +852 2418 2668