MULLARD E180F (6688) NOS vs ROSESELSA - RZ550
Every tracked fact about the two, side by side - prices, history lows, ratings. No verdict: which one to buy is the visitor's decision, always.
MULLARD E180F (6688) NOS Vacuum Tube - Singles (1 Tube) / Silver
Lowest on record ₹5,202 on Thursday, 22nd Oct, 2026
Full prices & history
ROSESELSA - RZ550 ES9039Q2M HiFi Portable DAC & Amp
roseselsa
Lowest on record ₹4,655 on Friday, 25th Sept, 2026
★★★★★ 5.0 5.0 · 2 reviews
Full prices & history
What is being compared
Both sides are DACs / headphone amplifiers. The rows below are the facts each store publishes for this shelf - converter chip, output power, inputs, balanced output and digital formats. A dash means the listing does not state that spec.
Spec
MULLARD E180F (6688)
ROSESELSA - RZ550
Form factor
—
Portable
DAC chip
—
ES9039Q
Type
—
DAC & amp combo
Price over the last 30 days
Daily lowest price across every tracked store, from the site's own price history. The line is one product's own range - the two cards are not drawn to a shared scale.
MULLARD E180F (6688) NOS Vacuum Tube - Singles (1 Tube) / Silver
at its 30-day median
Lowest on record ₹5,202 on Thursday, 22nd Oct, 2026
In stock at 1 tracked store
ROSESELSA - RZ550 ES9039Q2M HiFi Portable DAC & Amp
at its 30-day median
Lowest on record ₹4,655 on Friday, 25th Sept, 2026
In stock at 1 tracked store
Price gap right now
₹49
1% of the dearer one's price.
Stores with it in stock
1 vs 1
Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.
The decision, factually
Cheaper right now
MULLARD E180F (6688) NOS Vacuum Tube - Singles (1 Tube) / Silver
Lowest current price across all tracked stores - ₹5,241 vs ₹5,290.
Deepest discount ever seen
ROSESELSA - RZ550 ES9039Q2M HiFi Portable DAC & Amp
From each product's own recorded price history.
This page reports facts and expresses no opinion on which to purchase.